chore(deps): bump gridstack from 12.6.0 to 13.0.2

Bumps [gridstack](https://github.com/gridstack/gridstack.js) from 12.6.0 to 13.0.2.
- [Release notes](https://github.com/gridstack/gridstack.js/releases)
- [Changelog](https://github.com/gridstack/gridstack.js/blob/master/doc/CHANGES.md)
- [Commits](https://github.com/gridstack/gridstack.js/commits)

---
updated-dependencies:
- dependency-name: gridstack
  dependency-version: 13.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -24,7 +24,7 @@
     "d3-scale-chromatic": "^3.1.0",
     "express": "^4.18.2",
     "express-rate-limit": "^8.6.1",
-    "gridstack": "^12.6.0",
+    "gridstack": "^13.0.2",
     "i18next": "^25.2.1",
     "jspdf": "^4.2.1",
     "lucide-react": "^1.27.0",